Humidifier



FIG. 1 is a left side view of a humidifier new design;

FIG. 2 is a front view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof; and,

FIG. 7 is a front perspective view thereof.

The broken lines in the drawings are for the purpose of illustratingportions of the humidifier that form no part of the claimed design.

CLAIM The ornamental design for a humidifier, as shown and described.